Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.975403359576
Darker point darker score: -0.936877279906
darker: 2 (eq: False, dd: False), confidence: 2, worker: AO1T9KG7VR0P5
darker: 2 (eq: False, dd: False), confidence: 2, worker: A8M21O74D3SFU
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2TP6GDF71HM4M
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1CV8APDA7Y2PI
(0: guessing, 1: probably, 2: definitely)